[R] help on readBin in R
jdnewmil at dcn.davis.ca.us
Mon Apr 17 05:13:49 CEST 2017
That may or may not work, since text file newlines get altered in them. May have more luck with a "png" extension?
Sent from my phone. Please excuse my brevity.
On April 16, 2017 7:33:06 PM PDT, jim holtman <jholtman at gmail.com> wrote:
>If the file is not too large, just change the extension to '.txt' and
>attach it. Also include the code that you are using to read it in and
>a definition of the what the data is; e.g., first two byte are
>temperature, next four bytes are a station ID, ....
>Here is an example of reading in a binary file and I know that the
>'raw' output matches the bytes that are in the file:
>> infile <- file("test.txt", 'rb')
>> input <- readBin(infile, raw(), 100)
>  50 4b 03 04 14 00 04 00 08 00 47 95 90 4a 9f 00 7a a0 99 01 00
>00 7a 08 00 00 13 00 75 00 5b 43 6f
>  6e 74 65 6e 74 5f 54 79 70 65 73 5d 2e 78 6d 6c 53 44 60 00 a4
>00 00 00 00 08 00 32 fa a9 3f 63 64
>  60 69 11 61 60 60 30 00 62 10 f0 01 62 46 56 30 93 55 14 48 55
>e8 cd 15 fe e5 cf a3 df 6c ab ed 66
>here is the dump:
>$ od -a -t x --endian=big test.txt
>0000000 P K etx eot dc4 nul eot nul bs nul G nak dle J us nul
> 504b0304 14000400 08004795 904a9f00
>0000020 z sp em soh nul nul z bs nul nul dc3 nul u nul [ C
> 7aa09901 00007a08 00001300 75005b43
>0000040 o n t e n t _ T y p e s ] . x m
> 6f6e7465 6e745f54 79706573 5d2e786d
>Data Munger Guru
>What is the problem that you are trying to solve?
>Tell me what you want to do, not how you want to do it.
>On Sun, Apr 16, 2017 at 9:21 PM, Jeff Newmiller
><jdnewmil at dcn.davis.ca.us> wrote:
>> The mailing list has tight restrictions on attachments, so your
>attachment was not let through. Read the Posting Guide, and note that
>sometimes success requires some extended understanding of how your mail
>software works, and we probably don't know the details either. You
>might have success changing the file extension or sending a link to the
>file on a file storage website like Google Drive or Dropbox.
>> Sent from my phone. Please excuse my brevity.
>> On April 16, 2017 3:49:07 PM PDT, "M.M saifuddin"
><mmsaifuddin09 at gmail.com> wrote:
>>>I need to view the attached binary file. but can not read it,
>>>getting very weird( i think garbage) numbers.
>>>The values are Temperature data so it should be somewhat in between
>>>Can any altruist view it and give me the R code to view it.
>>>I am attaching the file. Please help me if you can.
>>>R-help at r-project.org mailing list -- To UNSUBSCRIBE and more, see
>>>PLEASE do read the posting guide
>>>and provide commented, minimal, self-contained, reproducible code.
>> R-help at r-project.org mailing list -- To UNSUBSCRIBE and more, see
>> PLEASE do read the posting guide
>> and provide commented, minimal, self-contained, reproducible code.
More information about the R-help